12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
Hear the cycle

Sound Lab

Listen for the trigger, not only the noise.

Rhythm, system cycle and strongest location often distinguish movement, flow, vibration and electrical signals.

Describe your clue →
Water release01

Hidden dripping

Discrete drops continue after the trigger and may migrate in perceived location.

Trigger
rain, fixture use or appliance cycle
Strongest location
ceiling, wall or cabinet cavity
Open signal profile →
Sensory method

Describe first. Interpret second.

  1. TriggerWhat changed immediately before it began?
  2. CycleDoes it follow startup, flow, heating, wind or room use?
  3. LocationWhere is it strongest, and does that move?
  4. Stop conditionHeat, smoke, gas or electrical odor changes the response immediately.